3. "I declare this thing open, whatever it is." (on a visit to Canada in 1969).

4. "Everybody was saying we must have more leisure. Now they are complaining they are unemployed" (during the 1981 recession).

5. "If it has got four legs and it is not a chair, if it has got two wings and it flies but is not an aeroplane, and if it swims and it is not a submarine, the Cantonese will eat it." (at a 1986 World Wildlife Fund meeting).

6. "It looks like a tart's bedroom." (on seeing plans for the Duke and Duchess of York's house at Sunninghill Park in 1988)

Read More

7. "Yak, yak, yak; come on get a move on." (shouted from the deck of Britannia in Belize in 1994 to the Queen who was chatting to her hosts on the quayside).

8. "We didn't have counsellors rushing around every time somebody let off a gun, asking 'Are you all right? Are you sure you don't have a ghastly problem?' You just got on with it." (about the Second World War commenting on modern stress counselling for servicemen in 1995).

9. "How do you keep the natives off the booze long enough to get them through the test?" (to a driving instructor in Oban, Scotland, during a 1995 walkabout).

10. "If a cricketer, for instance, suddenly decided to go into a school and batter a lot of people to death with a cricket bat, which he could do very easily, I mean, are you going to ban cricket bats?" (in 1996, amid calls to ban firearms after the Dunblane shooting).

11. "Bloody silly fool!" (in 1997, referring to a Cambridge University car park attendant who did not recognise him).

(Image: PA)

12. "It looks as if it was put in by an Indian." (pointing at an old-fashioned fusebox in a factory near Edinburgh in 1999).

13. "Deaf? If you are near there, no wonder you are deaf." (to young deaf people in Cardiff, in 1999, referring to a school's steel band).

14. "They must be out of their minds." (in the Solomon Islands, in 1982, when he was told that the annual population growth was 5%).

15. "You are a woman, aren't you?"(In Kenya, in 1984, after accepting a small gift from a local woman).

16. "If you stay here much longer, you'll all be slitty-eyed." (to British students in China, during the 1986 state visit).

The couple on a visit to Cardiff in 1960 (Image: Western Mail Archive)

33. "How many people have you knocked over this morning on that thing?" (meeting disabled David Miller who drives a mobility scooter at the Valentine Mansion in Redbridge in March 2012)

34. "I would get arrested if I unzipped that dress." (to 25-year-old council worker Hannah Jackson, who was wearing a dress with a zip running the length of its front, on a Jubilee visit to Bromley, Kent, in May 2012)

35. "The Philippines must be half empty as you're all here running the NHS." (on meeting a Filipino nurse at a Luton hospital in February 2013)

36. "Most stripping is done by hand." (to 83-year-old Mars factory worker Audrey Cook when discussing how she used to strip or cut Mars Bars by hand in April 2013)

37. "(Children) go to school because their parents don't want them in the house." (prompting giggles from Malala Yousafzai, who survived an assassination attempt by the Taliban after campaigning for the right of girls to go to school without fear - October 2013)

38. "Just take the f***ing picture." (losing patience with an RAF photographer at events to mark the 75th anniversary of the Battle of Britain - July 2015)

39. "You look starved." (to a pensioner on a visit to the Charterhouse almshouse for elderly men - February 2017)

40. "I'm just a bloody amoeba." (on the Queen's decision that their children should be called Windsor, not Mountbatten).